<html>
<body>

<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
    <path id="lineAB" d="M 100 350 l 150 -300" stroke="red" stroke-width="3" fill="none" />
    <path id="lineBC" d="M 250 50 l 150 300" stroke="red" stroke-width="3" fill="none" />
    <path id="lineBC" d="M 175 200 l 150 0" stroke="red" stroke-width="3" fill="none" />
    <path id="quadcurveABC" d="M 100 350 q 150 -300 300 0" stroke="blue" stroke-width="5" fill="none" />
    <!-- Mark relevant points -->
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        <circle id="pointC" cx="400" cy="350" r="3" />
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    <!-- Label the points -->
    <g font-size="30" font="sans-serif" fill="black" stroke="none" text-anchor="middle">
        <text x="100" y="350" dx="-30">A</text>
        <text x="250" y="50" dy="-10">B</text>
        <text x="400" y="350" dx="30">C</text>
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</svg>

</body>
</html>
